Cheapest return flights from Frankfurt to Keflavik in March from $223

AirHint found the following cheapest return flights from Frankfurt (FRA) to Keflavik (KEF) in March 2026 (see full year).

Return flights

08 Mar - 19 Mar Ryanair
09 Mar - 19 Mar Ryanair
09 Mar - 14 Mar Ryanair
03 Mar - 14 Mar Ryanair
08 Mar - 12 Mar Ryanair
14 Mar - 19 Mar Ryanair
08 Mar - 17 Mar Ryanair
02 Mar - 12 Mar Ryanair
01 Mar - 11 Mar Ryanair
10 Mar - 14 Mar Ryanair
31 Mar - 09 Apr LOT
24 Mar - 01 Apr Ryanair
29 Mar - 12 Apr LOT
17 Mar - 14 Apr Lufthansa
31 Mar - 08 Apr LOT
29 Mar - 08 Apr LOT
31 Mar - 07 Apr LOT
29 Mar - 11 Apr LOT
29 Mar - 09 Apr LOT
29 Mar - 10 Apr Ryanair

Also check the deals for one-way flights from Frankfurt to Keflavik in March.

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